No problem, we've got 1861 and 3906 to multiply
1861 × 3906 = 3906 × (1861)
+ 3906 × 1 giving us 3906
+ 3906 × 60 resulting in 234360
+ 3906 × 800 that is equal 3124800
+ 3906 × 1000 which equals 3906000

= 7269066
